1. Conclusion Amido black can effectively develop the latent blood footprints on some porous surfaces and non-porous surfaces.

2. Objective To explore the applicable common surfaces of amido black for develop latent blood footprints.

3. The difference of ammonia, amido, amino group and quaternary ammonium salt, some common wrong expressions on them, and the valence state of phosphorus in some of its oxyacid were pointed out.

4. In particular, the invention is concerned with amido piperazine derivatives.

5. The gold - adsorbing property of the amido oximime chelate fiber of carboxylic polyvinyl alcohol is studied.

6. The advance in the research of amido podands and structure - extraction ability is reported in this paper.

7. The decolorization of amido black 10 B was treated with the effective microorganism ( EM ) in this paper.

8. Fatty amido Acid Blue Black 10 B compounds show a good performance in dying effect and surfactivity.

9. Method The latent blood footprints on 14 kinds of common surfaces were developed by amido black.

10. When trimethylsilyl is used to substitute the active hydrogen in amido, the intermediate having high chemistry stability can be obtained without effecting the other reactive groups.

11. Thus gallium triiodide will has a preferable development and application. The application of trimethylchlorosilane in protecting amido was also discussed.

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12. The result shows that the degree of grafting of amido connects with additional amount of acrylamide.

13. The results show that sericin could be directly coated on the oxidized cotton fiber without any other reagent and form a covalence bond between amido group and aldehyde group .

14. This method can be used for quantitative analysis of the alkyl amido phosphate ester.